Friday

August 1, 2014

August 1, 2014

Total # Posts: 12

**Math Statistics**

If the range of a set of scores is 14 and the lowest score is 7, what is the highest score? Is it also 7 since 14- 7 = 7? Just asking.

**Math**

Determine the slope and the y-intercept of the following linear equations. 1. y = (3/2)x - 4 2. 2x + y - 3 = 0

**Math**

Determine the slope and y-intercept of the following linear equations.

**Math Statistics**

The mean height of Pat, Dex, Allan, Dan and Roy is 68 inches. If George is included in the group, the mean height becomes 67 inches. How tall is George?

**Math Statistics**

Kesha's mean grade for the first two terms was 74. What grade must she get in the third term to get an exact passing average of 75?

**Math Statistics**

Kesha's mean grade for the first two terms was 74. What grade must she get in the third term to get an exact passing average of 75?

**Math Statistics**

The height of four students are as follows: Pat - 112, Gerald - 123, Mark -100, Ricky - 125, Roy - 143. If Jon is included, the mean height would be 110. What is Jon's Height?

**Math Statistics**

The table below shows Rico’s grades during the third term in four subjects. Subject Units Grade Math 1.5 98 Science 2 97 English 1.5 95 A.P. 1 99 What was Rico’s average grade in the four subjects?

**Math**

Jessie’s average grade in Algebra for the first two terms is 73.5. What grade must he get in the third term to have an average of 75?

**Statistics**

Thirty-two students took a 50-item Biology test. The average score obtained is 42. The next day, three students who were absent took the test and obtained 35, 39 and 43. What is the average score of the 35 students?

**Math**

Stalls in a particular market occupy a 3 m by 2m spaces. The stall owners requested that the area of their stalls be doubled. The market owner granted this request by increasing the length and the width equally. What are the new dimensions of the stalls?

**Math**

Please factor -8.4x^3y^4 - 3.6x^2y^5 - 4.8x^4y^3

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